docs: def model_post_delete(sender, instance, **kwargs):
      """Signal emitted after any model is deleted via Django ORM.
  
      :param sender: Model class that was deleted
      :param instance: The actual instance that was removed
      """
  
      if sender._meta.app_label == 'rest_framework_reactive':
          # Ignore own events.
          return
  
      def notify():
          table = sender._meta.db_table
          notify_observers(table, ORM_NOTIFY_KIND_DELETE, instance.pk)
  
      transaction.on_commit(notify)